11621222577 has 16 divisors (see below), whose sum is σ = 17810304000. Its totient is φ = 7480326672.

The previous prime is 11621222539. The next prime is 11621222609. The reversal of 11621222577 is 77522212611.

11621222577 is a `hidden beast` number, since 1 + 1 + 62 + 1 + 2 + 22 + 577 = 666.

11621222577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11621222577 - 2¹⁴ = 11621206193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11621222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7420177 + ... + 7421742.

It is an arithmetic number, because the mean of its divisors is an integer number (1113144000).

Almost surely, 2^11621222577 is an apocalyptic number.

It is an amenable number.

11621222577 is a deficient number, since it is larger than the sum of its proper divisors (6189081423).

11621222577 is a wasteful number, since it uses less digits than its factorization.

11621222577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14841957 (or 14841951 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The spelling of 11621222577 in words is "eleven billion, six hundred twenty-one million, two hundred twenty-two thousand, five hundred seventy-seven".